code: def draw(self):
      raise NotImplementedError
  
file_path: nlpaug/nlpaug/flow/pipeline.py
imports: from nlpaug import Augmenter
  from nlpaug.augmenter.char import CharAugmenter
  from nlpaug.util import Method
label_desc: Use image node_id 2 for calling the Pipeline obj's underlying member method code with example usage: obj.draw() without return types